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Add version headlines to HTML NEWS export

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This allows linking to, e.g. "NEWS.28.html#28.1" to go directly to
those release notes.
* admin/admin.el (admin--org-export-headers-format)
(make-news-html-file): Add XX.Y version headlines with an HTML anchor.
This commit is contained in:
Stefan Kangas 2022-09-16 19:33:02 +02:00
parent 5d227ae83e
commit bcc84ac7fe
1 changed files with 39 additions and 10 deletions
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49
admin/admin.el
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@ -773,7 +773,7 @@ Optional argument TYPE is type of output (nil means all)."
(defvar admin--org-export-headers-format "\
#+title: GNU Emacs %s NEWS -- history of user-visible changes
#+author:
#+options: author:nil creator:nil toc:1 num:2 *:nil \\n:t ^:nil tex:nil
#+options: author:nil creator:nil toc:2 num:3 *:nil \\n:t ^:nil tex:nil
#+language: en
#+HTML_LINK_HOME: /software/emacs
#+HTML_LINK_UP: /software/emacs
@ -851,12 +851,13 @@ $Date: %s $
(unless (file-exists-p (expand-file-name "src/emacs.c" root))
(user-error "%s doesn't seem to be the root of an Emacs source tree" root))
(admin--require-external-package 'htmlize)
(let* ((orig (expand-file-name "etc/NEWS" root))
(new (expand-file-name (format "etc/NEWS.%s.org" version) root))
(html-file (format "%s.html" (file-name-base new)))
(let* ((newsfile (expand-file-name "etc/NEWS" root))
(orgfile (expand-file-name (format "etc/NEWS.%s.org" version) root))
(html (format "%s.html" (file-name-base orgfile)))
(copyright-years (format-time-string "%Y")))
(copy-file orig new t)
(find-file new)
(delete-file orgfile)
(copy-file newsfile orgfile t)
(find-file orgfile)
;; Find the copyright range.
(goto-char (point-min))
@ -931,6 +932,34 @@ $Date: %s $
(org-mode)
(save-buffer)
;; Make everything one level lower.
(goto-char (point-min))
(while (re-search-forward (rx bol (group (+ "*")) " ") nil t)
(replace-match "*\\1" nil nil nil 1))
;; Insert anchors for different versions.
(goto-char (point-min))
(let (last-major last-minor)
(while (re-search-forward (rx bol "** " (+ (not "\n")) "in Emacs "
(group digit digit) "." (group digit)
eol)
nil t)
(unless (and (equal (match-string 1) last-major)
(equal (match-string 2) last-minor))
(setq last-major (match-string 1))
(setq last-minor (match-string 2))
(forward-line -1)
(insert (format
(concat
;; Add anchor to allow linking to
;; e.g. "NEWS.28.html#28.1".
"#+HTML: <p id=\"%s.%s\">&nbsp;</p>\n"
"* Changes in Emacs %s.%s\n")
last-major last-minor
last-major last-minor)))))
(save-buffer)
;; Make the HTML export.
(let* ((org-html-postamble
(format admin--org-html-postamble
@ -942,12 +971,12 @@ $Date: %s $
(org-html-export-as-html))
;; Write HTML to file.
(let ((new (expand-file-name html-file (expand-file-name "etc" root))))
(write-file new)
(let ((html (expand-file-name html (expand-file-name "etc" root))))
(write-file html)
(unless noninteractive
(find-file new)
(find-file html)
(html-mode))
(message "Successfully exported HTML to %s" new))))
(message "Successfully exported HTML to %s" html))))
;; Stuff to check new `defcustom's got :version tags.